[RFD] How legal is it to delete dynamic tags?

[Matthew Fortune]

Alan Modra <amodra@gmail.com> writes:
> On Fri, Apr 15, 2016 at 03:08:41PM +0000, Matthew Fortune wrote:
> > Firstly, to what extent is it OK to just delete a dynamic tag rather
> > than set it to DT_NULL?
> 
> DT_NULL marks the end of the dynamic tags array.  Setting a tag to
> DT_NULL is not an option (except when the following tag is DT_NULL).
> You'll break ld.so if you do that.

Thanks. I had some vague memory that DT_NULL couldn't be used arbitrarily
but couldn't think why.

Matthew